.bo{
    position: fixed;
    bottom: 0;
    z-index: 5;
    width: 100%;
    display: flex;
    justify-content: space-between;
    // height: 60px;
    padding: 8px 20px calc(8px + constant(safe-area-inset-bottom)) 20px;
    padding: 8px 20px calc(8px + env(safe-area-inset-bottom)) 20px;
    box-sizing: border-box;
    background-color: #000;
    .bo-item{
        width: calc((100% - 11px) / 2);
        text-align: center;
        display: flex;
        justify-content: center;
        padding: 3px 0;
        align-items: center;
        border-radius: 4px;
        img{
            margin-right: 8px;
        }
    }
    .b-0{
        background-color: #FFDF01;
        color: #0044C9;
        img{
            width: 31px;
            height: 31px;
        }
    }
    .b-1{
        background-color: #0044C9;
        color: #FFDF01;
        img{
            width: 24px;
            height: 30px;
        }
    }
}